2021
DOI: 10.1002/sus2.36
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Manipulating the film morphology evolution toward green solvent‐processed perovskite solar cells

Abstract: High‐performance perovskite solar cells (PVSCs) with low energy consumption and green processing are highly desired, but constrained by the difficulty in morphology control and the poor understanding on morphology evolution mechanisms. To address this issue, here we studied the effect of antisolvents on the perovskite film formation. We found that both the antisolvents and the perovskite composition affect the perovskite film morphology greatly via influencing the intermediate phase, and different perovskite c… Show more

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Cited by 28 publications
(29 citation statements)
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“…Due to the combined advantages of perovskites and quantum dots (QDs), such as low cost, solution processability, tunable bandgap energy (E g ) and high stability [1][2][3][4][5][6][7][8][9], perovskite QDs (PQDs) have received increasing attention for application in light-emitting diodes [10,11], photodetector [12][13][14], and solar cells [15,16]. Since the first PQD solar cells (PQDSCs) were successfully fabricated by Swarnkar et al in 2016 [17], with the material synthesis improvement [18][19][20], post-treatment of PQDs [21][22][23][24][25], and tuning device structure of solar cells [26][27][28][29], the performance of inorganic CsPbI 3 PQDSCs has considerably improved.…”
Section: Introductionmentioning
confidence: 99%
“…Due to the combined advantages of perovskites and quantum dots (QDs), such as low cost, solution processability, tunable bandgap energy (E g ) and high stability [1][2][3][4][5][6][7][8][9], perovskite QDs (PQDs) have received increasing attention for application in light-emitting diodes [10,11], photodetector [12][13][14], and solar cells [15,16]. Since the first PQD solar cells (PQDSCs) were successfully fabricated by Swarnkar et al in 2016 [17], with the material synthesis improvement [18][19][20], post-treatment of PQDs [21][22][23][24][25], and tuning device structure of solar cells [26][27][28][29], the performance of inorganic CsPbI 3 PQDSCs has considerably improved.…”
Section: Introductionmentioning
confidence: 99%
“…Also, it is worth pointing out that the crystallization of the film is limited with the incorporation of SNOPs into the TiO 2 layer, i.e., increasing the surface roughness of the films and affecting the collection of carriers, thus being unable to maximize its optical performance enhancement. 57,58 Moreover, we further verify the universal capability of SNOPs for photon management. Also, it is urgent that the best combination of optical gain is explored and the maximum gain of the optical performance with minimal experimental costs is achieved.…”
Section: Resultsmentioning
confidence: 66%
“…, increasing the surface roughness of the films and affecting the collection of carriers, thus being unable to maximize its optical performance enhancement. 57,58…”
Section: Resultsmentioning
confidence: 99%
“…Benefiting from the advantages of the 1-NA spacer, we fabricated 2D (n = 4) RP 1-NA-Pb and PEA-Pb perovskite films by one-step spin coating using methylammonium chloride (MACl) in isopropanol (IPA) solution as an anti-solvent to induce crystal growth. [36][37][38][39] To explore whether NH⋯I hydrogen bonding interactions exist between the PEA + /1-NA + cations and the inorganic layer, a series of characterizations were performed. Figure 2a displays the Fourier transform infrared (FTIR) spectra of PEA-Pb and 1-NA-Pb powder scraped from glass substrate.…”
Section: Resultsmentioning
confidence: 99%